content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------------
   * CategoryToPieDatasetTests.java
   * ------------------------------
   * (C) Copyright 2006-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 26-Jul-2006 : Version 1 (DG);
   * 01-Aug-2006 : Added testGetIndex() method (DG);
   * 17-Jun-2012 : Remove JCommon dependencies (DG);
   *
   */
  
  package org.jfree.data.category;
  
  import org.jfree.chart.util.TableOrder;
  import org.jfree.data.general.DefaultPieDataset;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for the {@link CategoryToPieDataset} class.
   */
  public class CategoryToPieDatasetTest  {
  
  
  
  
  
      /**
       * Some tests for the constructor.
       */
      @Test
      public void testConstructor() {
          // try a null source
          CategoryToPieDataset p1 = new CategoryToPieDataset(null,
                  TableOrder.BY_COLUMN, 0);
          assertNull(p1.getUnderlyingDataset());
          assertEquals(p1.getItemCount(), 0);
          assertTrue(p1.getKeys().isEmpty());
          assertNull(p1.getValue("R1"));
      }
  
      /**
       * Some checks for the getValue() method.
       */
      @Test
      public void testGetValue() {
          DefaultCategoryDataset underlying = new DefaultCategoryDataset();
          underlying.addValue(1.1, "R1", "C1");
          underlying.addValue(2.2, "R1", "C2");
          CategoryToPieDataset d1 = new CategoryToPieDataset(underlying,
                  TableOrder.BY_ROW, 0);
          assertEquals(d1.getValue("C1"), 1.1);
          assertEquals(d1.getValue("C2"), 2.2);
  
          // check negative index throws exception
          try {
              /* Number n = */ d1.getValue(-1);
              fail("Expected IndexOutOfBoundsException.");
          }
          catch (IndexOutOfBoundsException e) {
              // this is expected
          }
  
          // check index == getItemCount() throws exception
          try {
              /* Number n = */ d1.getValue(d1.getItemCount());
              fail("Expected IndexOutOfBoundsException.");
          }
          catch (IndexOutOfBoundsException e) {
              // this is expected
          }
  
          // test null source
          CategoryToPieDataset p1 = new CategoryToPieDataset(null,
                  TableOrder.BY_COLUMN, 0);
          try {
              /* Number n = */ p1.getValue(0);
              fail("Expected IndexOutOfBoundsException.");
          }
          catch (IndexOutOfBoundsException e) {
              // this is expected
          }
      }
  
      /**
       * Some checks for the getKey(int) method.
       */
      @Test
      public void testGetKey() {
          DefaultCategoryDataset underlying = new DefaultCategoryDataset();
          underlying.addValue(1.1, "R1", "C1");
          underlying.addValue(2.2, "R1", "C2");
          CategoryToPieDataset d1 = new CategoryToPieDataset(underlying,
                  TableOrder.BY_ROW, 0);
          assertEquals(d1.getKey(0), "C1");
          assertEquals(d1.getKey(1), "C2");
  
          // check negative index throws exception
          try {
              /* Number n = */ d1.getKey(-1);
              fail("Expected IndexOutOfBoundsException.");
          }
          catch (IndexOutOfBoundsException e) {
              // this is expected
          }
  
          // check index == getItemCount() throws exception
          try {
              /* Number n = */ d1.getKey(d1.getItemCount());
              fail("Expected IndexOutOfBoundsException.");
          }
          catch (IndexOutOfBoundsException e) {
              // this is expected
          }
  
          // test null source
          CategoryToPieDataset p1 = new CategoryToPieDataset(null,
                  TableOrder.BY_COLUMN, 0);
          try {
              /* Number n = */ p1.getKey(0);
              fail("Expected IndexOutOfBoundsException.");
          }
          catch (IndexOutOfBoundsException e) {
              // this is expected
          }
      }
  
      /**
       * Some checks for the getIndex() method.
       */
      @Test
      public void testGetIndex() {
          DefaultCategoryDataset underlying = new DefaultCategoryDataset();
          underlying.addValue(1.1, "R1", "C1");
          underlying.addValue(2.2, "R1", "C2");
          CategoryToPieDataset d1 = new CategoryToPieDataset(underlying,
                  TableOrder.BY_ROW, 0);
          assertEquals(0, d1.getIndex("C1"));
          assertEquals(1, d1.getIndex("C2"));
          assertEquals(-1, d1.getIndex("XX"));
  
          // try null
          try {
              d1.getIndex(null);
              fail("IllegalArgumentException should have been thrown on null parameter");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'key' argument.", e.getMessage());
          }
      }
  
      /**
       * For datasets, the equals() method just checks keys and values.
       */
      @Test
      public void testEquals() {
          DefaultCategoryDataset underlying = new DefaultCategoryDataset();
          underlying.addValue(1.1, "R1", "C1");
          underlying.addValue(2.2, "R1", "C2");
          CategoryToPieDataset d1 = new CategoryToPieDataset(underlying,
                  TableOrder.BY_COLUMN, 1);
          DefaultPieDataset d2 = new DefaultPieDataset();
          d2.setValue("R1", 2.2);
          assertEquals(d1, d2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          DefaultCategoryDataset underlying = new DefaultCategoryDataset();
          underlying.addValue(1.1, "R1", "C1");
          underlying.addValue(2.2, "R1", "C2");
          CategoryToPieDataset d1 = new CategoryToPieDataset(underlying,
                  TableOrder.BY_COLUMN, 1);
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(d1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          CategoryToPieDataset d2 = (CategoryToPieDataset) in.readObject();
          in.close();
  
          assertEquals(d1, d2);
  
          // regular equality for the datasets doesn't check the fields, just
          // the data values...so let's check some more things...
          assertEquals(d1.getUnderlyingDataset(), d2.getUnderlyingDataset());
          assertEquals(d1.getExtractType(), d2.getExtractType());
          assertEquals(d1.getExtractIndex(), d2.getExtractIndex());
      }
  
  }
  